Universal Car Stereo Single 12" Alpine Bundle Type S S-W12D4 Bundle with Rearfire Sealed Sub Box Enclosure with Harmony HA-A800.1 Amplifier & 4GA Amp Kit - Walmart.com
Alpine S-A60M S-Series mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms at Crutchfield
Alpine HDA-M80 Status Series Mono Subwoofer Amplifier, 800 watts RMS a — Automotive Sound and Protection